Drag & Drop multiple icons into multiple drop zones

I think you can gather from Tom's posts that what you want can't be done with the built-in Drag and Drop.

You can find something exactly like what you want someplace among the samples in the attachment here: https://community.articulate.com/discussions/articulate-storyline/drag-and-drop-solution-sample-with-multiple-correct-targets-with-drag-off-and-return-plus-a-lot-more   Find an option that looks good and follow it to see the principles involved.